Simultaneous quantum cryptographic key distribution and conventional data transmission over installed fibre using wavelength-division multiplexing

P. D. Townsend

doi:10.1049/el:19970147

Simultaneous quantum cryptographic key distribution and conventional data transmission over installed fibre using wavelength-division multiplexing

P. D. Townsend

BT Group plc

Research output: Contribution to journal › Article › peer-review

Abstract

Wavelength division multiplexing (WDM) is used to add a secure quantum key distribution channel (λ = 1300nm) to a conventional 1.2Gbit/s data channel (λ ∼1550nm) operating over 28km of installed fibre in BT's London and East Anglia multiservice network testbed (LEANET). Error-free operation of the data channel is demonstrated with no degradation of the quantum channel performance.

Original language	English
Pages (from-to)	188-190
Number of pages	3
Journal	Electronics Letters
Volume	33
Issue number	3
DOIs	https://doi.org/10.1049/el:19970147
Publication status	Published - 30 Jan 1997
Externally published	Yes

Keywords

Optical communication
Quantum cryptography
Wavelength division multiplexing

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10.1049/el:19970147

Cite this

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abstract = "Wavelength division multiplexing (WDM) is used to add a secure quantum key distribution channel (λ = 1300nm) to a conventional 1.2Gbit/s data channel (λ ∼1550nm) operating over 28km of installed fibre in BT's London and East Anglia multiservice network testbed (LEANET). Error-free operation of the data channel is demonstrated with no degradation of the quantum channel performance.",

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AB - Wavelength division multiplexing (WDM) is used to add a secure quantum key distribution channel (λ = 1300nm) to a conventional 1.2Gbit/s data channel (λ ∼1550nm) operating over 28km of installed fibre in BT's London and East Anglia multiservice network testbed (LEANET). Error-free operation of the data channel is demonstrated with no degradation of the quantum channel performance.

KW - Optical communication

KW - Quantum cryptography

KW - Wavelength division multiplexing

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Simultaneous quantum cryptographic key distribution and conventional data transmission over installed fibre using wavelength-division multiplexing

Abstract

Keywords

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